CVE-2024-44259Network attack vector

Malicious downloads via trust-state misuse

Published Oct 28, 2024 · Updated Apr 2, 2026

State-management flaw in Apple Safari Downloads before 18.1 allows attackers to download malicious content by misusing a trust relationship. Apple identifies Safari Downloads as the locus and says its state management mishandles a trust relationship, but it has not disclosed the incorrect state transition. CISA assesses network reachability without privileges but requires user interaction; the bounded consequence is downloading malicious content, not confirmed execution.

CVSS severity8.8
High
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

State-management flaw in Apple Safari Downloads before 18.1 allows attackers to download malicious content by misusing a trust relationship. Apple identifies Safari Downloads as the locus and says its state management mishandles a trust relationship, but it has not disclosed the incorrect state transition. CISA assesses network reachability without privileges but requires user interaction; the bounded consequence is downloading malicious content, not confirmed execution.

The record

CVE
CVE-2024-44259
Published
Oct 28, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <17.7
  2. Affected versionversion=0 <18.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOSversion=0 <17.7; version=0 <18.1
Apple · iOS and iPadOSversion=0 <17.7.1; version=0 <18.1
Apple · visionOSversion=0 <2.1
Apple · Safariversion=0 <18.1
Apple · macOSversion=0 <15.1
Apple · iPadOSversion=0 <17.7; version=0 <18.1

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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